/**
 * MIT License
 * 
 * Copyright (c) 2024 - present @ ebraid
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */


#include <stdint.h>
#include <string.h>
#include <types.h>


/**
 * @brief Compare two strings to see if they are the same
 * @param s1:  Pointer to string1
 * @param s2:  Pointer to string2
 * @return If str1 is less than str2, return less than 0; If str1 is greater than str2 
 *         and greater than 0; If both are equal, return 0
*/
int strcmp(const char * s1, const char * s2)
{
    while(*s1 && (*s1 == *s2)) {
        s1++;
        s2++;
    }

    return *(const unsigned char *)s1 - *(const unsigned char *)s2;
}
